Frequency converter



FIG. 1 illustrates a front side view of a first embodiment of a frequency converter.

FIG. 2 illustrates a rear side view of the frequency converter shown in FIG. 1.

FIG. 3 illustrates a left side view of the frequency converter shown in FIG. 1.

FIG. 4 illustrates a right side view of the frequency converter shown in FIG. 1.

FIG. 5 illustrates a top plan view of the three-phase frequency converter shown in FIG. 1.

FIG. 6 illustrates a bottom plan view of the three-phase frequency converter shown in FIG. 1.

FIG. 7 illustrates a right side perspective view of the frequency converter shown in FIG. 1.

FIG. 8 illustrates a left side perspective view of the frequency converter shown in FIG. 1.

FIG. 9 illustrates a front side view of a second embodiment of a frequency converter.

FIG. 10 illustrates a rear side view of the frequency converter shown in FIG. 9.

FIG. 11 illustrates a left side view of the frequency converter shown in FIG. 9.

FIG. 12 illustrates a right side view of the frequency converter shown in FIG. 9.

FIG. 13 illustrates a top plan view of the three-phase frequency converter shown in FIG. 9.

FIG. 14 illustrates a bottom plan view of the three-phase frequency converter shown in FIG. 9.

FIG. 15 illustrates a right side perspective view of the frequency converter shown in FIG. 9.

FIG. 16 illustrates a left side perspective view of the frequency converter shown in FIG. 9.

FIG. 17 illustrates a front side view of a third embodiment of a frequency converter.

FIG. 18 illustrates a rear side view of the frequency converter shown in FIG. 17.

FIG. 19 illustrates a left side view of the frequency converter shown in FIG. 17.

FIG. 20 illustrates a right side view of the frequency converter shown in FIG. 17.

FIG. 21 illustrates a top plan view of the three-phase frequency converter shown in FIG. 17.

FIG. 22 illustrates a bottom plan view of the three-phase frequency converter shown in FIG. 17.

FIG. 23 illustrates a right side perspective view of the frequency converter shown in FIG. 17.

FIG. 24 illustrates a left side perspective view of the frequency converter shown in FIG. 17.

FIG. 25 illustrates a front side view of a fourth embodiment of a frequency converter.

FIG. 26 illustrates a rear side view of the frequency converter shown in FIG. 25.

FIG. 27 illustrates a left side view of the frequency converter shown in FIG. 25.

FIG. 28 illustrates a right side view of the frequency converter shown in FIG. 25.

FIG. 29 illustrates a top plan view of the three-phase frequency converter shown in FIG. 25.

FIG. 30 illustrates a bottom plan view of the three-phase frequency converter shown in FIG. 25.

FIG. 31 illustrates a right side perspective view of the frequency converter shown in FIG. 25; and,

FIG. 32 illustrates a left side perspective view of the frequency converter shown in FIG. 25. 

CLAIM The ornamental design for a frequency converter, as shown and described. 